1968942 has 16 divisors (see below), whose sum is σ = 3957840. Its totient is φ = 652992.

The previous prime is 1968919. The next prime is 1968977. The reversal of 1968942 is 2498691.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1968942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (247365).

2^1968942 is an apocalyptic number.

1968942 is an abundant number, since it is smaller than the sum of its proper divisors (1988898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968942 is a wasteful number, since it uses less digits than its factorization.

1968942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667.

The product of its digits is 31104, while the sum is 39.

The square root of 1968942 is about 1403.1899372501. The cubic root of 1968942 is about 125.3365225409.

The spelling of 1968942 in words is "one million, nine hundred sixty-eight thousand, nine hundred forty-two".